Creating WS-Security element using ws4j api

You can create WS Security element <wss:security> using wss4j api
Following code snippet describe how to attach Security header to SOAP message


import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.message.WSSecHeader;
import org.apache.ws.security.message.WSSecUsernameToken;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

public class WSS4JSecurityUtil {

public static void main(String[] args) {

WSS4JSecurityUtil util = new WSS4JSecurityUtil();
// Create UsernameToken
object
WSSecUsernameToken wsSecUserNameToken = new
WSSecUsernameToken();
// Set user info to UsernameToken
wsSecUserNameToken.setUserInfo("wsuser", "wspwd");
// Set password Type
WSConstants.PASSWORD_DIGEST for digest password or
//
WSConstants.PASSWORD_TEST for plain text
password
//wsSecUserNameToken.setPasswordType(WSConstants.PASSWORD_TEXT);
wsSecUserNameToken.setPasswordType(WSConstants.PASSWORD_DIGEST);
org.w3c.dom.Document doc = util.getSoapEnvelopeAsDocument();

// Create Header element
WSSecHeader secHeader = new WSSecHeader();
// Insert Security header to soap envelop document
secHeader.insertSecurityHeader(doc);
// build the soap envelope with
Security header with user token
Document elementWithDigest = wsSecUserNameToken.build(doc, secHeader);
printXMLDocument(elementWithDigest);

}
private org.w3c.dom.Document getSoapEnvelopeAsDocument() {
String
soapenvelopeString = "";
Document soapEnv = null;
try
{
DocumentBuilderFactory docBuilderFactory =
DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder =
docBuilderFactory.newDocumentBuilder();
soapEnv = docBuilder.parse (new
File("soapmessage.xml"));
//
// normalize text representation
// soapEnv.getDocumentElement ().normalize
();
// System.out.println ("Root element of the doc is " +
//
soapEnv.getDocumentElement().getNodeName());
//
// Transformer
transformer = TransformerFactory.newInstance().newTransformer();
//
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
//
////
initialize StreamResult with File object to save to file
// StreamResult
result = new StreamResult(new StringWriter());
// DOMSource source = new
DOMSource(soapEnv);
// transformer.transform(source, result);
//
//
String xmlString = result.getWriter().toString();
//
System.out.println(xmlString);
} catch (ParserConfigurationException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch
(SAXException e) {
// TODO Auto-generated catch
block
e.printStackTrace();
} catch (IOException e) {
// TODO
Auto-generated catch block
e.printStackTrace();
}
return
soapEnv;
}
public static void printXMLDocument(org.w3c.dom.Document
document){
Transformer transformer;
try {
transformer =
TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT,
"yes");
// initialize StreamResult with File object to save to
file
StreamResult result = new StreamResult(new StringWriter());
DOMSource
source = new DOMSource(document);
transformer.transform(source,
result);
String xmlString =
result.getWriter().toString();
System.out.println(xmlString);
} catch
(TransformerConfigurationException e) {
// TODO Auto-generated catch
block
e.printStackTrace();
} catch (TransformerFactoryConfigurationError
e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch
(TransformerException e) {
// TODO Auto-generated catch
block
e.printStackTrace();
}
}
}